phonebook-tools:
 * improve "is XML-based phone book"-heuristic
 * refs #2477


git-svn-id: file:///var/svn/freetz/trunk@12135 149334a1-2f27-0410-a3b9-fc62619ac1e6
phonebook-tools:
 * minor fix to r12135
 * refs #2477


git-svn-id: file:///var/svn/freetz/trunk@12136 149334a1-2f27-0410-a3b9-fc62619ac1e6